Effect of accelerated protons on the molecular-topological structure and thermal stability of poly(vinylidene fluoride)
S. R. AllayarovInstitute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432, RussiaYu.A. Ol'khovRussian Academy of SciencesI. N. ShtefanInstitute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akademika Semenova 1, Chernogolovka, Moscow oblast, 142432, RussiaK. I. MunteleHoward J. Foster Center for Irradiation of Materials, Alabama A&M University, 4900 Meridian street, PO Box 1447, Normal, Alabama AL, 35762, USAD. IlaHoward J. Foster Center for Irradiation of Materials, Alabama A&M University, 4900 Meridian street, PO Box 1447, Normal, Alabama AL, 35762, USADavid A. DixonDepartment of Chemistry, the University of Alabama, Box 870336, Tuscaloosa, Alabama AL, 35487-0336, USA
2012en
ABI
Аннотация
The bombardment of poly(vinylidene fluoride) (PVDF) with accelerated protons in vacuum results in the release of gaseous products and the destruction of cluster junctions in its pseudo-network structure, which pass to the crystalline ones of three modifications with different temperatures and rates of melting, the molecular mass of crystallized chains, and their weight fractions. The composition of gaseous products indicates that, upon proton bombardment, the detachment of fluorine or hydrogen atoms yielding H2 and HF occurs as the main process, and the scission of the carbon chain hardly takes place in this case.
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